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Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466
mbed-os/TESTS/mbed_hal/common_tickers_freq/main.cpp
- Committer:
- kadonotakashi
- Date:
- 2018-10-10
- Revision:
- 0:8fdf9a60065b
File content as of revision 0:8fdf9a60065b:
/* * Copyright (c) 2013-2016, ARM Limited, All Rights Reserved * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); you may * not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* * This is the mbed device part of the test to verify if mbed board ticker * freqency is valid. */ #include "mbed.h" #include "greentea-client/test_env.h" #include "utest/utest.h" #include "unity/unity.h" #include "ticker_api_test_freq.h" #include "hal/us_ticker_api.h" #include "hal/lp_ticker_api.h" #include "hal/mbed_lp_ticker_wrapper.h" #if !DEVICE_USTICKER #error [NOT_SUPPORTED] test not supported #endif //FastModels not support time drifting test #if defined(__ARM_FM) #error [NOT_SUPPORTED] test not supported #endif #define US_PER_S 1000000 using namespace utest::v1; const ticker_interface_t *intf; uint32_t intf_mask; uint32_t intf_last_tick; uint32_t intf_elapsed_ticks; ticker_irq_handler_type prev_handler; uint32_t ticks_to_us(uint32_t ticks, uint32_t freq) { return (uint32_t)((uint64_t)ticks * US_PER_S / freq); } void elapsed_ticks_reset() { core_util_critical_section_enter(); const uint32_t ticker_bits = intf->get_info()->bits; intf_mask = (1 << ticker_bits) - 1; intf_last_tick = intf->read(); intf_elapsed_ticks = 0; core_util_critical_section_exit(); } uint32_t elapsed_ticks_update() { core_util_critical_section_enter(); const uint32_t current_tick = intf->read(); intf_elapsed_ticks += (current_tick - intf_last_tick) & intf_mask; intf_last_tick = current_tick; /* Schedule next interrupt half way to overflow */ uint32_t next = (current_tick + intf_mask / 2) & intf_mask; intf->set_interrupt(next); uint32_t elapsed = intf_elapsed_ticks; core_util_critical_section_exit(); return elapsed; } void ticker_event_handler_stub(const ticker_data_t *const ticker) { intf->clear_interrupt(); elapsed_ticks_update(); } /* Test that the ticker is operating at the frequency it specifies. */ void ticker_frequency_test() { char _key[11] = { }; char _value[128] = { }; int expected_key = 1; const uint32_t ticker_freq = intf->get_info()->frequency; intf->init(); elapsed_ticks_reset(); /* Detect overflow for tickers with lower counters width. */ elapsed_ticks_update(); greentea_send_kv("timing_drift_check_start", 0); /* Wait for 1st signal from host. */ do { greentea_parse_kv(_key, _value, sizeof(_key), sizeof(_value)); expected_key = strcmp(_key, "base_time"); } while (expected_key); const uint32_t begin_ticks = elapsed_ticks_update(); /* Assume that there was no overflow at this point - we are just after init. */ greentea_send_kv(_key, ticks_to_us(begin_ticks, ticker_freq)); /* Wait for 2nd signal from host. */ greentea_parse_kv(_key, _value, sizeof(_key), sizeof(_value)); const uint32_t end_ticks = elapsed_ticks_update(); greentea_send_kv(_key, ticks_to_us(end_ticks, ticker_freq)); /* Get the results from host. */ greentea_parse_kv(_key, _value, sizeof(_key), sizeof(_value)); TEST_ASSERT_EQUAL_STRING_MESSAGE("pass", _key, "Host side script reported a fail..."); intf->disable_interrupt(); } utest::v1::status_t us_ticker_case_setup_handler_t(const Case *const source, const size_t index_of_case) { #if DEVICE_LPTICKER && (LPTICKER_DELAY_TICKS > 0) /* Suspend the lp ticker wrapper since it makes use of the us ticker */ ticker_suspend(get_lp_ticker_data()); lp_ticker_wrapper_suspend(); #endif ticker_suspend(get_us_ticker_data()); intf = get_us_ticker_data()->interface; prev_handler = set_us_ticker_irq_handler(ticker_event_handler_stub); return greentea_case_setup_handler(source, index_of_case); } utest::v1::status_t us_ticker_case_teardown_handler_t(const Case *const source, const size_t passed, const size_t failed, const failure_t reason) { set_us_ticker_irq_handler(prev_handler); ticker_resume(get_us_ticker_data()); #if DEVICE_LPTICKER && (LPTICKER_DELAY_TICKS > 0) lp_ticker_wrapper_resume(); ticker_resume(get_lp_ticker_data()); #endif return greentea_case_teardown_handler(source, passed, failed, reason); } #if DEVICE_LPTICKER utest::v1::status_t lp_ticker_case_setup_handler_t(const Case *const source, const size_t index_of_case) { ticker_suspend(get_lp_ticker_data()); intf = get_lp_ticker_data()->interface; prev_handler = set_lp_ticker_irq_handler(ticker_event_handler_stub); return greentea_case_setup_handler(source, index_of_case); } utest::v1::status_t lp_ticker_case_teardown_handler_t(const Case *const source, const size_t passed, const size_t failed, const failure_t reason) { set_lp_ticker_irq_handler(prev_handler); ticker_resume(get_lp_ticker_data()); return greentea_case_teardown_handler(source, passed, failed, reason); } #endif // Test cases Case cases[] = { Case("Microsecond ticker frequency test", us_ticker_case_setup_handler_t, ticker_frequency_test, us_ticker_case_teardown_handler_t), #if DEVICE_LPTICKER Case("Low power ticker frequency test", lp_ticker_case_setup_handler_t, ticker_frequency_test, lp_ticker_case_teardown_handler_t), #endif }; utest::v1::status_t greentea_test_setup(const size_t number_of_cases) { /* Suspend RTOS Kernel so the timers are not in use. */ osKernelSuspend(); GREENTEA_SETUP(120, "timing_drift_auto"); return greentea_test_setup_handler(number_of_cases); } void greentea_test_teardown(const size_t passed, const size_t failed, const failure_t failure) { osKernelResume(0); greentea_test_teardown_handler(passed, failed, failure); } Specification specification(greentea_test_setup, cases, greentea_test_teardown); int main() { Harness::run(specification); }